Tennis app let's you train with the pros
Mentor Apps Tennis, a winner of The Global App Summit's 'App Idol' competition, allows users to record video of their tennis strokes and then compare them side by side with professional players.
See All CNNMoney Original Shows
Sony cancels release of 'The Interview'
Jeb Bush's views on the U.S. economy
You can drink this car's exhaust
Fed chief Yellen: Oil drop is 'positive' for U.S.
Patience is a virtue for the Fed
T-Mobile to let you roll over data